Avocent Cyclades ACS Service Manual download pdf (Page 139)

Appendices 131

For example, the <zImage_filename.md5> text file contains information similar to the

following.

5bcc7d9b3c61502b5c9269cbecd20317 /tftpboot/<zImage_filename>

7. If the alphanuemeric string matches the downloaded file, execute the reboot command.

8. After reboot, the console server is updated with the new firmware. Confirm by issuing the

following command.

# cat /proc/version

Troubleshooting

To restore system due to Flash memory loss:

If the contents of Flash memory are lost after an upgrade, follow the instructions below to restore

your system.

1. Recycle the power on your console server.

2. Using the console, wait for the self test messages.

3. If you get no boot messages, verify that you have the correct setting, otherwise press

immediately after turning on the console server to skip an alternate boot code.

console server boots using its original boot code.

4. During the self test, press

Esc after the Ethernet test.

Testing Ethernet .........................

5. When the Watch Dog Timer prompt appears, press Enter.

Watchdog timer ((A)ctive or (I)nactive) [I] :

6. Choose the option Network Boot when asked.

Firmware boot from ((F)lash or (N)etwork) [N] :

7. Select the TFTP option instead of BootP. The host must be running TFTPD and the new

zImage file must be located in the proper directory. For example, /tftpboot for Linux.

Boot type ((B)ootp,(T)ftp or Bot(H)) [H] :

8. Enter the filename of the zImage file on the host.

Boot File Name [<zImage_filename>] :

9. Enter the IP address of the Ethernet interface.

IP address assigned to Ethernet interface [192.168.48.11] :

10. Enter the IP address of the host where the new zImage file is located.

Server's IP address [192.168.49.127] :

11. Accept the default MAC address by pressing Enter.

MAC address assigned to Ethernet [00:60:2E:01:6B:61] :

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Avocent Cyclades ACS Service Manual Page 139